大部分教室往往是寒冷的，所以尽量在上课时多穿几件衣服，可以在课堂上调整。

Most classrooms tend to be chilly, so try to dress in layers that can be adjusted during class.

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我们调整了教室内所有的照明设施以便每个房间都能得到很好的照明。

We have adjusted all the lighting arrangements in the classrooms so that each room is well lit.

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然后我离开教室去拿另一些物品，同时精神上做几分钟的调整。

Then I leave the classroom for some other supplies and a few more minutes of quiet mental preparation.

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